235438 has 16 divisors (see below), whose sum is σ = 411264. Its totient is φ = 99000.

The previous prime is 235397. The next prime is 235439. The reversal of 235438 is 834532.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (235439) by changing a digit.

235438 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 813 + ... + 1063.

It is an arithmetic number, because the mean of its divisors is an integer number (25704).

2²³⁵⁴³⁸ is an apocalyptic number.

235438 is a deficient number, since it is larger than the sum of its proper divisors (175826).

235438 is a wasteful number, since it uses less digits than its factorization.

235438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 327.

The product of its digits is 2880, while the sum is 25.

The square root of 235438 is about 485.2195379413. The cubic root of 235438 is about 61.7483731480.

It can be divided in two parts, 2 and 35438, that multiplied together give a triangular number (70876 = T₃₇₆).

The spelling of 235438 in words is "two hundred thirty-five thousand, four hundred thirty-eight".